Thousands of Tarantulas Expected to Make Mass Migration Through Colorado in Annual Search for Mates

Officials say that thousands of tarantulas are expected to make a mass migration through Colorado in their annual search for mates.

The annual migration is expected to begin this week and continue through early October, with the majority of the spiders being 10-year-old males searching for female tarantulas in the grassland areas. The Oklahoma brown tarantulas usually migrate through La Junta, Colorado, which is about 175 miles southeast of Denver. The migration is expected to peak in mid-September.

Tarantulas are generally harmless, but their bites can cause injury or allergic reaction.  Their hairs can also be irritating to the eyes, mouth and nose.

Source: Thousands of tarantulas expected to make mass migration through Colorado in search of mates |

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